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6 Cards in this Set
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Halogens
hal⋅o⋅gen [hal-uh-juhn, -jen, hey-luh-] 1) What is the symbol? 2) What is the atomic # ? 3) Is it a solid, gas, liquid, artificially prepared? |
A member of Group 17 of the periodic table. Many of the properties of the halogens vary in a regular fashion from fluorine (F) through Chlorine (Cl) and bromine (Br) to Iodine (I). Fluorine, for instance, is a very pale yellow, almost ordorless gas, chlorine a yellow-green gas, bromine a red-brown liquid, and iodine a purple-black solid.
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Fluorine
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1) F
2) atomic # 9 3) gas |
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Chlorine
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1) Cl
2) atomic # 17 3) gas |
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Bromine
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1) Br
2) atomic # 35 3) liquid |
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Iodine
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1) I
2) atomic # 53 3) solid |
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Astatine
as⋅ta⋅tine [as-tuh-teen -tin] |
1) At
2) atomic # 85 3) solid |